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31 #ifndef WebSharedWorkerImpl_h
32 #define WebSharedWorkerImpl_h
34 #include "WebSharedWorker.h"
36 #include "WebContentSecurityPolicy.h"
37 #include "WebFrameClient.h"
38 #include "WebSharedWorkerClient.h"
39 #include "core/dom/ExecutionContext.h"
40 #include "core/workers/WorkerLoaderProxy.h"
41 #include "core/workers/WorkerReportingProxy.h"
42 #include "core/workers/WorkerScriptLoaderClient.h"
43 #include "core/workers/WorkerThread.h"
44 #include "wtf/PassOwnPtr.h"
45 #include "wtf/RefPtr.h"
46 #include "wtf/WeakPtr.h"
49 class ResourceResponse;
53 class WebApplicationCacheHost;
54 class WebApplicationCacheHostClient;
55 class WebWorkerClient;
56 class WebSecurityOrigin;
61 class WebSharedWorkerClient;
63 // This class is used by the worker process code to talk to the WebCore::SharedWorker implementation.
64 // It can't use it directly since it uses WebKit types, so this class converts the data types.
65 // When the WebCore::SharedWorker object wants to call WebCore::WorkerReportingProxy, this class will
66 // convert to Chrome data types first and then call the supplied WebCommonWorkerClient.
67 class WebSharedWorkerImpl FINAL
68 : public WebCore::WorkerReportingProxy
69 , public WebCore::WorkerLoaderProxy
70 , public WebFrameClient
71 , public WebSharedWorker {
73 explicit WebSharedWorkerImpl(WebSharedWorkerClient*);
75 // WebCore::WorkerReportingProxy methods:
76 virtual void reportException(
77 const WTF::String&, int, int, const WTF::String&) OVERRIDE;
78 virtual void reportConsoleMessage(
79 WebCore::MessageSource, WebCore::MessageLevel,
80 const WTF::String&, int, const WTF::String&) OVERRIDE;
81 virtual void postMessageToPageInspector(const WTF::String&) OVERRIDE;
82 virtual void updateInspectorStateCookie(const WTF::String&) OVERRIDE;
83 virtual void workerGlobalScopeStarted(WebCore::WorkerGlobalScope*) OVERRIDE;
84 virtual void workerGlobalScopeClosed() OVERRIDE;
85 virtual void workerGlobalScopeDestroyed() OVERRIDE;
87 // WebCore::WorkerLoaderProxy methods:
88 virtual void postTaskToLoader(PassOwnPtr<WebCore::ExecutionContextTask>) OVERRIDE;
89 virtual bool postTaskToWorkerGlobalScope(PassOwnPtr<WebCore::ExecutionContextTask>) OVERRIDE;
91 // WebFrameClient methods to support resource loading thru the 'shadow page'.
92 virtual WebApplicationCacheHost* createApplicationCacheHost(WebFrame*, WebApplicationCacheHostClient*) OVERRIDE;
93 virtual void didFinishDocumentLoad(WebFrame*) OVERRIDE;
95 // WebSharedWorker methods:
96 virtual void startWorkerContext(const WebURL&, const WebString& name, const WebString& contentSecurityPolicy, WebContentSecurityPolicyType) OVERRIDE;
97 virtual void connect(WebMessagePortChannel*) OVERRIDE;
98 virtual void terminateWorkerContext() OVERRIDE;
99 virtual void clientDestroyed() OVERRIDE;
101 virtual void pauseWorkerContextOnStart() OVERRIDE;
102 virtual void resumeWorkerContext() OVERRIDE;
103 virtual void attachDevTools() OVERRIDE;
104 virtual void reattachDevTools(const WebString& savedState) OVERRIDE;
105 virtual void detachDevTools() OVERRIDE;
106 virtual void dispatchDevToolsMessage(const WebString&) OVERRIDE;
111 virtual ~WebSharedWorkerImpl();
113 WebSharedWorkerClient* client() { return m_client->get(); }
115 void setWorkerThread(PassRefPtr<WebCore::WorkerThread> thread) { m_workerThread = thread; }
116 WebCore::WorkerThread* workerThread() { return m_workerThread.get(); }
118 // Shuts down the worker thread.
119 void stopWorkerThread();
121 // Creates the shadow loader used for worker network requests.
122 void initializeLoader(const WebURL&);
124 void didReceiveScriptLoaderResponse();
125 void onScriptLoaderFinished();
127 static void connectTask(WebCore::ExecutionContext*, PassOwnPtr<WebMessagePortChannel>);
128 // Tasks that are run on the main thread.
129 void workerGlobalScopeClosedOnMainThread();
130 void workerGlobalScopeDestroyedOnMainThread();
132 // 'shadow page' - created to proxy loading requests from the worker.
133 RefPtr<WebCore::ExecutionContext> m_loadingDocument;
135 WebFrame* m_mainFrame;
136 bool m_askedToTerminate;
138 RefPtr<WebCore::WorkerThread> m_workerThread;
140 // This one's initialized and bound to the main thread.
141 RefPtr<WeakReference<WebSharedWorkerClient> > m_client;
143 // Usually WeakPtr is created by WeakPtrFactory exposed by Client
144 // class itself, but here it's implemented by Chrome so we create
146 WeakPtr<WebSharedWorkerClient> m_clientWeakPtr;
148 bool m_pauseWorkerContextOnStart;
149 bool m_attachDevToolsOnStart;
151 // Kept around only while main script loading is ongoing.
152 OwnPtr<Loader> m_mainScriptLoader;
155 WebString m_contentSecurityPolicy;
156 WebContentSecurityPolicyType m_policyType;